EMACS ORG MODE

MANIPULATION
[tab]	expand
[Shift]-[tab]	colapse
M-[left]/[right]	nesting level
M-[up]/[down]	change place on the same level
[Shift]-[left]/[right]	task status | list type
[Shift]-[down]	task priority
EDIT
C-c C-q	add/change tag
C-c C-x p	add property
C-c C-x d	delete property
C-c C-e	export to another format
C-c C-c	edit checkbox
C-c C-e t	instert default template
-----	horizontal line
\\	end of line (during export to html)
LINKS
C-c C-l	edit link
C-c C-o	follow the link
[[link][description]]	link
<<link>>	target
[[target]]	link to target
[[header]]	link to header
DATE and TIME
C-c .	add timestamp
[Shift]-[right]	change timestamp
C-c C-d	add deadline time
C-c C-s	add schedule time
AGENDA
C-c a	open agenda
f	forward week
b	backward week
.	present day
C-c [	add file to agenda
C-c ]	remove from agenda
org-agenda-file variable
[space]	press space in agenda window to go to event
ELEMENTS
[% | /]	lists status
[ ]	checkbox
[fn:1]	footnote
TABLES
C-^	sort table
| col1 | col2 | [tab]	add table row
|-	add horizontal line
M-[left] | [right] | [up] | [down]	move column | row
[Shift]-M-[down]	insert row above
[Shift]-M-[up]	delete current row
[Shift]-M-[right]	insert column
[Shift]-M-[left]	delete column
	insert vertical line at first row if want export to html
#+ATTR_HTML: border="1" rules="all" frame="all"	border between cells during export to html
<nr>	put in empty cell to set column width, you can set #+STARTUP: align parameter
calc
:=	add forumla to the current field
:=vmean(@II..@III)	vertical arythmetic mean from II to III horizontal line
:=vsum(@II..@III)	vertical sum from II to III horizontal line
=	add forumla to the whole column, if the field contains only ‘=’, the previously stored formula for this column is used
C-c ?	find table current field coordinates
C-c }	grid coordinates on/off
$1	first column
@1	first row
$-2	third column from right to left
$+2	third column from left to right
@I	first hline
@I..@II	range from first hline to second hline
@1$2	1nd row, 2rd column
@-1$-3	the field one row up, three columns to the left
@-I$2	field just under hline above current row, column 2
@2$1..@4$3	6 fields between these two fields
@-1$-2..@-1	3 numbers from the column to the left, 2 up to current row
C-u C-c =	install a new formula for the current field
C-c =	edit the formula for the current field
C-c C-c	recompute formula
C-u C-c *	recompute all table
C-u C-c *	recompute all table
#+TBLFM: @10$2=vsum(@II..@III)::@11$2=@2$2+@3$2	compute multi formulas
#+TBLFM: $3=@-1+1::@2$3=1	ordered nubmer list at 3rd col
EXPORT OPTION
#+TITLE: the title to be shown (default is the buffer name) #+AUTHOR: the author (default taken from user-full-name) #+DATE: a date, fixed, of a format string for format-time-string #+EMAIL: his/her email address (default from user-mail-address) #+DESCRIPTION: the page description, e.g. for the XHTML meta tag #+KEYWORDS: the page keywords, e.g. for the XHTML meta tag #+LANGUAGE: language for HTML, e.g. ‘en’ (org-export-default-language) #+TEXT: Some descriptive text to be inserted at the beginning. #+TEXT: Several lines may be given. #+OPTIONS: H:2 num:t toc:t \n:nil @:t ::t |:t ^:t f:t TeX:t ... #+LINK_UP: the ``up'' link of an exported page #+LINK_HOME: the ``home'' link of an exported page #+LATEX_HEADER: extra line(s) for the LaTeX header, like \usepackage{xyz} you can put all above settings to one file and point at by: #+SETUPFILE: ~/[filepath]
EXPORT TIPS
@<b>bold text@</b>	use html tags
#+HTML: Literal HTML code for export	as above
#+BEGIN_HTML All lines between these markers are exported literally #+END_HTML	as above

! before export to pdf you must install rubber

EMACS DIRED MODE

M-x dired	dired mode
o	open file in split window horizontaly
enter	open file | enter dir
C	copy file
R	rename file
D	delete file
Z	compress file
M	chmod
O	chown
G	chgrp
m	mark
u	unmark
U	unmark all
g	refresh
A	search
^	parent dir
t	new dir
q	close dir

EMACS

HELP:
C-h m	curent mode info
C-h k	key bind info
C-h a	search function
MAIN:
C-x C-c	exit
C-/	undo
[space] C-/	redo
C-x C-b	buffer list
C-g | Esc Esc Esc	keyboard quit
C-x b	switch between buffers
C-x C-w	save buffer as
C-x C-f	open file
C-u [nr] [arg]	repeat argument [nr] times, default 4 times
SEARCH:
C-s	search forward
C-r	search backward
M-%	find and repleace
BUFFERS:
C-x C-s	save all buffers
C-x s	save current buffer
C-x k	kill buffer
C-x C-b	show buffer menu
BUFFER MENU:
d	kill buffer
s	save buffer
x	perform previously requested deletions and saves
u	undo save and kill
%	read only flag
*	modify flag
q	quit buffer menu
o	open buffer in another window
WINDOWS:
C-x 2	horizontal window
C-x 3	vertical window
C-x 0	remove current window
C-x 1	remove all other windows
C-x o	change window
C-x ^	taller window
C-x }	wider window
EDIT:
C-[space]	select
C-[space] [space]	unselect
M-w	copy the previously selected
C-w	cut the previously selected
C-y	paste
C-a C-k	delete line
C-k	delete from cursor to the end of line
C-h b	help key bindings
M-;	comment/uncomment
M-g g	go to line
C-x r t [string]	insert vertical column
C-x k	kill region
Alt ;	insert comment
C-x r t	insert character at every match line
C-x r k	delete first rectangle at match line(match upto next line field to delete)
INDENT:
C-u [num | -num] C-x [tab]	indent previous selected region [num] of lines, minus means indent left
OTHER MODE:
M-x dired	file manager mode
M-x python-mode	python mode